Home / 4,779.90-7,158.33-4,232.70

Finding the Fourth Proportional to 4,779.90, 7,158.33 and 4,232.70

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Solution

The fourth proportional to 4,779.90, 7,158.33 and 4,232.70 is: 6,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.90 : 7,158.33 = 4,232.70 : x
  2. Step 2: Convert to fraction form
    4,779.90/7,158.33 = 4,232.70/x
  3. Step 3: Cross multiply
    4,779.90x = 7,158.33 × 4,232.70
  4. Step 4: Simplify right side
    4,779.90x = 30,299,063.39
  5. Step 5: Solve for x
    x = 30,299,063.39/4,779.90
  6. Step 6: Final answer
    x = 6,338.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.